Additions to the Phoridce of Formosa 
217 
1924 ]' 
a distinct intraalar ^bristle. ' Among the previously known For- 
mosan species it resembles trivialis Brues most closely, but differs 
conspicuously in color and wing venation. 
Aphiochaeta ochracea Brues. 
Ann. Mus. Nat. Hungarici, vol. 9, p. 543 (1911). 
There is an additional female from Taihoku, April 1912 
(Sauter). This specimen differs from the type, which was from 
Takao, in having the abdomen generally blackened above, but 
I can find no structural differences. 
Aphiochaeta breviuscula sp. nov. 
d'. Length 1.3 mm. Dark brown or piceous, the head and 
abdomen darker, almost black, and the pleurse lighter below; 
legs yellowish brown, the hind pair much infuscated and the 
front pair much lighter; antennae piceous; palpi pale yellow; 
apical lamella of hypopygium yellowish brown; halteres very 
dark brown or black. Wings hyaline, veins piceous, the thin 
veins very distinct. Front very slightly higher than broad, 
with the ocellar tubercle and median frontal line distinct. 
Four proclinate post-antennal bristles of very nearly equal size; 
upper pair more than twice as far apart as the median ones, 
midway between the median line and the eye margin and on a 
level with the inner bristle of the row above; outer bristle of 
lowest reclinate row next to the eye, the inner one well below it 
and twice as far from it as from the eye-margin; upper frontal 
row of four equidistant bristles Avith the lateral ones veiy close 
to the eye, curved downwards medially; median pair of the 
ocellar row very large, two-thirds as long as the height of the 
front. Cheek with three stout bristles. Antennae small; arista 
densely pubescent, one-fourth longer than the front. Palpi of 
moderate size, with rather strong bristles. Mesonotum quite 
shining, closely and finely hairy over its entire surface. One 
pair of dorsocentral bristles, without any smaller bristles between 
them, Scutellum twice as broad as long, with one pair of very 
